The Length of the Sides of the Triangle is Given. Say What Types of Triangles They Are 3.7 Cm, 3.4 Cm, 4 Cm.

The length of the sides of the triangle is given. Say what types of triangles they are 3.7 cm, 3.4 cm, 4 cm.

One Line Answer

All sides are different.

Therefore, it is a scalene triangle.

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Chapter 15: Triangles and Their Properties - Practice Set 36 [Page 80]

Chapter 15 Triangles and Their Properties
Practice Set 36 | Q 4.4 | Page 80

Compute the value of x in the following figure:

Is the following statement true and false :

All the angles of a triangle can be equal to 60°.

In a Δ ABC, the internal bisectors of ∠B and ∠C meet at P and the external bisectors of ∠B and ∠C meet at Q, Prove that ∠BPC + ∠BQC = 180°.

In Δ ABC, BD⊥ AC and CE ⊥ AB. If BD and CE intersect at O, prove that ∠BOC = 180° − A.

Calculate the unknown marked angles of the following figure :

In the following, find the marked unknown angle:

Classify the following triangle according to sides:

Can we have two acute angles whose sum is a reflex angle? Why or why not?